<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>test_html</title>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>

    
    <style>
        .input1 {
            width: 80%;
            margin: 5px 5% 0 5%;
            height: 20px;
            background: #ebdad3;
            border: 1px solid #1B65C0;
            font: normal 15px/20px Microsoft Yahei;
        }
        .input2 {
            width: 80%;
            margin: 5px 5% 0 5%;
            height:100px;
            background: #ebdad3;
            border: 1px solid #1B65C0;
            font: normal 15px/20px Microsoft Yahei;          
        }
        button{
            background: none repeat scroll 0 0 #EEE;
            display: inline-block;
            font-weight: 800;
            margin: 1px 1px;
            padding: 0 2px;
            border-radius: 11px;
        }
        #submit
        {
            width: 80%;
            margin: 5px 5% 0 5%;
            background: #3A88E4;
            border: 1px solid #1B65C0;
            color: #FFF !important;
            font: normal 20px/30px Microsoft Yahei;
            line-height: 200%;
            text-align: center;
            border-radius: 10px;
        }
    </style>
</head>

<body>
    <div>
        <form method="POST" action="/test_html/">
            <div>
                <textarea class="input2" name="html_url"></textarea>
                <button type="button" onclick="f('html_url')">删除</button>
            </div>
            <div>
                <textarea class="input1" name="index">-1</textarea>
                <button type="button" onclick="f('index')">删除</button>
            </div>
            <div>
                <button id='submit' type="submit">提交</button>
            </div>
        </form>
    </div>
</body>
<script>

</script>

</html>